package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 查看购物车
     *
     * @return
     */
    @Select("select * from shopping_cart where user_id =#{userId}")
    List<ShoppingCart> GetListShopCart(Long userId);


    /**
     * 动态条件查询
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 添加购物车中商品的数量
     *
     * @param cart
     */
    @Update("update shopping_cart set number=#{number} where id = #{id} ")
    void updateNumberById(ShoppingCart cart);


    /**
     * 添加购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart( name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "values (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime})")
    void insert(ShoppingCart shoppingCart);


    /**
     * 删除购物车中的菜品商品
     * @param id
     */
    @Delete("delete from shopping_cart where id=#{id}")
    void deleteById(Long id);

    /**
     * 清空购物车
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void cleanShoppingCart(Long  userId);

    /**
     * 批量插入购物车数据
     * @param carts
     */
    void batchInsert(List<ShoppingCart> carts);
}
